SS316L Stainless Steel Spiral Wound Gaskets High-Quality QCR-Metal Face Fitting 1/8"-1" Bright Anneal/Electro Polishing
High Purity Face Seal Fitting SS QCR Gasket SS316L Metal Face Seal Fittings Stainless Steel High Purity Gasket
- Overview
- Recommended Products
QiiMii metal face seal (QCR) fittings can be used as a high purity components in high vacuum or high pressure system. When the female and male nuts are tightened, the gasket is compressed by two highly polished circular flanges. The visual inspection and leak test are carried out through two ports at opposite positions to the internally threaded nut.
Surface Finishing
Surface Finishing |
Surface Roughness |
BA |
0.4-1.0μm |
EP |
0.13-0.25μm |
Temperature Rating
Material |
°F |
°C |
SS316L |
1000 |
538 |
Pressure Ratings
Tube O.D. |
Wall Thickness |
Pressure Rating |
|
Psi |
Bar |
||
1/8" |
0.028"(0.71mm) |
8550 |
590 |
1/4" |
0.035"(0.89mm) |
5200 |
359 |
3/8" |
0.035"(0.89mm) |
3350 |
231 |
1/2" |
0.049"(1.24mm) |
3750 |
259 |
3/4" |
0.065"(1.65mm) |
2400 |
165 |
1" |
0.065"(1.65mm) |
2400 |
165 |
Plating
Female nuts are silver plated for easy assembly,consistent make-up, prevention of galling and reduction of the torque required for fitting assembling.
Assembly Instruction
Step 1
Insert gasket into female nut and make sure the gasket is settled in proper position. Also make sure no damages on seal part while inserting.
Step 2
Turn female nut until it comes into contact with male nut. And make sure seal part and gasket are placed in proper position.
Step 3
Final tightening shall be completed by assembly tools such as tools such as two spanners. Tighten the female nut 1/8-1/6 turns with second spanner and make sure that components screwing except female nut could damage the seal part to reduce the seal capacity.
Step 4
Make sure seal part and gasket are placed in proper position.
Example

Short Grand QCR 1/2" xtube O.D. Size 1/4", weld tube length =19.1mm, SS316L and Electro Polishing
Gasket
*Material:SS316L

| Model | QCR Size Inch |
E/mm | D/mm | T/mm | N.W/g |
|---|---|---|---|---|---|
| FDGG012 | 1/8 | 2.3 | 6.6 | 0.7 | |
| FDGG014 | 1/4 | 5.6 | 11.9 | 0.7 | |
| FDGG018 | 1/2 | 11.2 | 19.8 | 0.7 | |
| FDGG0112 | 3/4 | 16.8 | 29 | 0.7 | |
| FDGG0116 | 1 | 22.6 | 35.6 | 0.7 |
